A clean EPDM flat roof on a modern rear extension with neat upstands and trims — Flat Roofing (EPDM, GRP & Felt) in Southampton
Southampton, Hampshire·Flat Roofing

Flat Roofing (EPDM, GRP & Felt) in Southampton

EPDM rubber, GRP fibreglass and felt flat roofing for extensions, garages and outbuildings, laid to the correct fall to stop water pooling.

Flat Roofing (EPDM, GRP & Felt) in Southampton

Southampton customers looking for flat roofing (epdm, grp & felt) turn to Hampshire Roofing. A flat roof is never actually flat — it needs a shallow fall built into the structure or firrings to shed water towards an outlet or gutter, and getting that fall wrong is the single biggest cause of a flat roof failing early through standing water and ponding. The three most common coverings each behave differently: EPDM (a single-sheet rubber membrane) is fitted with very few joints and copes well with movement; GRP (fibreglass, laid as a liquid resin that cures solid) gives a seamless, walkable surface well suited to roof terraces; and felt (built up in layers, either torch-applied or cold-adhered) remains a proven, cost-effective option when installed correctly with the right number of layers and properly dressed upstands and trims. Whichever covering is chosen, the detailing at upstands, rooflight kerbs and outlets is where most flat roofs actually fail if it is rushed. Southampton's roofing stock splits fairly cleanly between the tightly packed Victorian terraces near the docks and city centre — often natural slate originally, and frequently only reachable with street-side scaffolding — and the inter-war and post-war suburban estates further out, where access is more straightforward. Sitting directly on Southampton Water at the meeting point of the Test and Itchen means wind-driven rain and salt-laden air off the estuary are a genuine consideration for flashing and fixings on exposed, waterside properties.

Why Choose Hampshire Roofing in Southampton?

Hampshire Roofing brings the same standard of flat roofing (epdm, grp & felt) to every property in Southampton, Hampshire. EPDM rubber, GRP fibreglass and felt flat roofing for extensions, garages and outbuildings, laid to the correct fall to stop water pooling.

Key Benefits

  • Correct fall calculated and built in to prevent standing water and ponding
  • Covering matched to how the roof is used — EPDM, GRP or felt each suit different situations
  • Careful detailing at upstands, outlets and rooflight kerbs, where flat roofs most often fail

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Also covering nearby: Eastleigh, Totton, Hedge End

Flat Roofing (EPDM, GRP & Felt) in Southampton — FAQ

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